28105956

素因数分解:

$2^2\times 3^2\times {\mathrm{780721}}^1$

素因数の和:780731

約数の個数: 18

約数和(自身を含む): 71045702

約数和(自身を除く): 42939746

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 780721, 1561442, 2342163, 3122884, 4684326, 7026489, 9368652, 14052978, 28105956]

約数ペア:

[(1, 28105956), (2, 14052978), (3, 9368652), (4, 7026489), (6, 4684326), (9, 3122884), (12, 2342163), (18, 1561442), (36, 780721)]